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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Cash flows from operating activities:    
Net loss $ (2,510,000) $ (3,317,000)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 3,794,000 4,383,000
Non-cash operating lease cost 738,000 851,000
Non-cash compensation 87,000 304,000
Bad debt expense 177,000  
Gain on disposal of assets (382,000) (264,000)
Other 11,000 1,000
Change in operating assets and liabilities:    
Decrease in accounts receivable 8,023,000 9,828,000
(Increase) decrease in prepaid expenses and other assets (996,000) 5,240,000
Increase (decrease) in accounts payable 2,073,000 (233,000)
Decrease in accrued liabilities (427,000) (1,166,000)
Decrease in operating lease liabilities (836,000) (930,000)
Increase (decrease) in deferred revenue 2,139,000 (11,138,000)
Net cash provided by operating activities 11,891,000 3,559,000
Cash flows from investing activities:    
Capital expenditures, net of non-cash capital expenditures summarized below (6,117,000) (1,557,000)
Proceeds from disposal of assets 393,000 382,000
Proceeds from maturity of short-term investments   265,000
Net cash used in investing activities (5,724,000) (910,000)
Cash flows from financing activities:    
Principal payments on notes payable (1,795,000) (911,000)
Principal payments on finance leases (611,000) (503,000)
Tax withholdings related to stock based compensation awards (45,000) (76,000)
Dividends paid   (9,860,000)
Net cash used in financing activities (2,451,000) (11,350,000)
Effect of exchange rate changes on cash and cash equivalents and restricted cash (20,000) (91,000)
Net increase (decrease) in cash and cash equivalents and restricted cash 3,696,000 (8,792,000)
Cash and cash equivalents and restricted cash at beginning of period 1,385,000 15,772,000
Cash and cash equivalents at end of period 5,081,000 6,980,000
Supplemental cash flow information:    
Cash paid for interest 204,000 120,000
Cash paid for income taxes   59,000
Non-cash operating, investing and financing activities:    
Increase (decrease) in accrued purchases of property and equipment 199,000 (217,000)
Finance leases incurred 718,000 $ 985,000
Increase in right-of-use assets and operating lease liabilities 909,000  
Financed equipment purchases 7,541,000  
Financed insurance premiums $ 1,746,000